Mylonite and Gneiss Definition

Definition of Mylonite and Gneiss

The general Mylonite and Gneiss definition can be stated as: Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. On the other hand, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Mylonite and Gneiss, get to know about Properties of Mylonite and Gneiss. Get to know more information about Mylonite and Gneiss origin and discoverer, etymology and class.

History of Mylonite and Gneiss

The history of Mylonite and Gneiss gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Mylonite and Gneiss Origin and Discoverer

Mylonite and Gneiss definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Mylonite and Gneiss. In this section, you will know about Mylonite and Gneiss Origin and Discoverer. Origin of Mylonite is New Zealand whereas Origin of Gneiss is Unknown. It is interesting to know the name of Mylonite and Gneiss discoverer. The discoverer of Mylonite and Gneiss are Unknown.

Etymology of Mylonite and Gneiss

Along with Mylonite and Gneiss definition, know more about the etymology of Mylonite and Gneiss. Etymology of Mylonite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Mylonite and Formation of Gneiss. The etymology of Mylonite is From Greek mulōn mill + -ite while that of Gneiss is From Greek mulōn mill + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Mylonite and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Mylonite and Gneiss are listed below.

For Mylonite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock